290445571

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 340623360

約数和(自身を除く): 50177789

約数列:

[1, 13, 19, 47, 127, 197, 247, 611, 893, 1651, 2413, 2561, 3743, 5969, 9259, 11609, 25019, 31369, 48659, 77597, 113411, 120367, 175921, 325247, 475361, 1175893, 1474343, 2286973, 6179693, 15286609, 22341967, 290445571]

約数ペア:

[(1, 290445571), (13, 22341967), (19, 15286609), (47, 6179693), (127, 2286973), (197, 1474343), (247, 1175893), (611, 475361), (893, 325247), (1651, 175921), (2413, 120367), (2561, 113411), (3743, 77597), (5969, 48659), (9259, 31369), (11609, 25019)]